4 #include <linux/init.h>
5 #include <linux/platform_device.h>
6 #include <linux/dma-mapping.h>
8 #include <linux/usb/musb.h>
10 #include <mach/common.h>
11 #include <mach/irqs.h>
12 #include <mach/cputype.h>
15 #define DAVINCI_USB_OTG_BASE 0x01c64000
17 #define DA8XX_USB0_BASE 0x01e00000
18 #define DA8XX_USB1_BASE 0x01e25000
20 #if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
21 static struct musb_hdrc_eps_bits musb_eps[] = {
32 static struct musb_hdrc_config musb_config = {
44 static struct musb_hdrc_platform_data usb_data = {
45 #if defined(CONFIG_USB_MUSB_OTG)
46 /* OTG requires a Mini-AB connector */
48 #elif defined(CONFIG_USB_MUSB_PERIPHERAL)
49 .mode = MUSB_PERIPHERAL,
50 #elif defined(CONFIG_USB_MUSB_HOST)
54 .config = &musb_config,
57 static struct resource usb_resources[] = {
59 /* physical address */
60 .start = DAVINCI_USB_OTG_BASE,
61 .end = DAVINCI_USB_OTG_BASE + 0x5ff,
62 .flags = IORESOURCE_MEM,
66 .flags = IORESOURCE_IRQ,
70 /* placeholder for the dedicated CPPI IRQ */
71 .flags = IORESOURCE_IRQ,
76 static u64 usb_dmamask = DMA_BIT_MASK(32);
78 static struct platform_device usb_dev = {
79 .name = "musb-davinci",
82 .platform_data = &usb_data,
83 .dma_mask = &usb_dmamask,
84 .coherent_dma_mask = DMA_BIT_MASK(32),
86 .resource = usb_resources,
87 .num_resources = ARRAY_SIZE(usb_resources),
90 void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms)
92 usb_data.power = mA > 510 ? 255 : mA / 2;
93 usb_data.potpgt = (potpgt_ms + 1) / 2;
95 if (cpu_is_davinci_dm646x()) {
96 /* Override the defaults as DM6467 uses different IRQs. */
97 usb_dev.resource[1].start = IRQ_DM646X_USBINT;
98 usb_dev.resource[2].start = IRQ_DM646X_USBDMAINT;
99 } else /* other devices don't have dedicated CPPI IRQ */
100 usb_dev.num_resources = 2;
102 platform_device_register(&usb_dev);
105 #ifdef CONFIG_ARCH_DAVINCI_DA8XX
106 static struct resource da8xx_usb20_resources[] = {
108 .start = DA8XX_USB0_BASE,
109 .end = DA8XX_USB0_BASE + SZ_64K - 1,
110 .flags = IORESOURCE_MEM,
113 .start = IRQ_DA8XX_USB_INT,
114 .flags = IORESOURCE_IRQ,
119 int __init da8xx_register_usb20(unsigned mA, unsigned potpgt)
121 usb_data.clock = "usb20";
122 usb_data.power = mA > 510 ? 255 : mA / 2;
123 usb_data.potpgt = (potpgt + 1) / 2;
125 usb_dev.resource = da8xx_usb20_resources;
126 usb_dev.num_resources = ARRAY_SIZE(da8xx_usb20_resources);
127 usb_dev.name = "musb-da8xx";
129 return platform_device_register(&usb_dev);
131 #endif /* CONFIG_DAVINCI_DA8XX */
135 void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms)
139 #ifdef CONFIG_ARCH_DAVINCI_DA8XX
140 int __init da8xx_register_usb20(unsigned mA, unsigned potpgt)
146 #endif /* CONFIG_USB_MUSB_HDRC */
148 #ifdef CONFIG_ARCH_DAVINCI_DA8XX
149 static struct resource da8xx_usb11_resources[] = {
151 .start = DA8XX_USB1_BASE,
152 .end = DA8XX_USB1_BASE + SZ_4K - 1,
153 .flags = IORESOURCE_MEM,
156 .start = IRQ_DA8XX_IRQN,
157 .end = IRQ_DA8XX_IRQN,
158 .flags = IORESOURCE_IRQ,
162 static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32);
164 static struct platform_device da8xx_usb11_device = {
168 .dma_mask = &da8xx_usb11_dma_mask,
169 .coherent_dma_mask = DMA_BIT_MASK(32),
171 .num_resources = ARRAY_SIZE(da8xx_usb11_resources),
172 .resource = da8xx_usb11_resources,
175 int __init da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata)
177 da8xx_usb11_device.dev.platform_data = pdata;
178 return platform_device_register(&da8xx_usb11_device);
180 #endif /* CONFIG_DAVINCI_DA8XX */